QServ [7.2 Spawn] by George Scott
Available for Windows, Mac OSX, Linux and iPod! Please check it out.
Unbelievable speed, 25+ Added Commands, IRC Bot, server log, Player location by IP; easy and instructive setup and straightforward server management, updated frequently with the latest code, tweaks, and additions.
*** NOTICE *** All mod issues and suggestions should be added to the Github Issue Page or discussed on Quadropolis.